high QNH on high Altitude airports
Has anybody got an idea about why is it that high elevation airports have commonly high daily QNH´s ?
I am aware of the uncompensated temperature effect over the altimeter but, shouldn´t this make us set the altimeter to a LOWER QNH value to compensate for it instead of a higher one ?
If this is so, then what is the ral reason for the high one ?
Thx in advance
( really worried about this. can´t sleep..... just kiddin´ )